package com.yc.thread;

public class Test9_daemon {
    public static void main(String[] args) {
        Thread t1 = new CommonThread();
        //新建任务 再绑定到一个线程上
        Thread t2=new Thread(new MyDaemon());
        //TODO :设置为守护线程
        t2.setDaemon(true);
        //正确做法：线程运行前设置守护线程
        t2.start();
        t1.start();

        System.out.println("主程序已经运行完了");
    }

}
//线程
class CommonThread extends Thread{
    @Override
    public void run(){
        for(int i=0;i<5;i++){
            System.out.println("用户线程第"+i+"次执行！");
            try{
                Thread.sleep(1000);
            }catch (Exception e){
                e.printStackTrace();
            }
        }
    }
}



//任务类
class MyDaemon implements Runnable{
    @Override
    public void run(){
        for(long i=0;i<20;i++){
            System.out.println("守护线程第"+i+"次执行！");
            try{
                Thread.sleep(1000);
            }catch (Exception e){
                e.printStackTrace();
            }
        }
    }
}

